Answer to Question #151563 in Physics for Custody

Question

Jane is initially walking at a certain speed so that her kinetic energy is 150 J. Then the rain starts to fall and Jane runs at a rate of 4.2m/s. She has a mass of 50.0kg.
a) what is her initial speed before the rain starts?
b) find the change in Jane's kinetic energy when she starts running?

Answer 1

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